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Super Duplex Steel Nuts offered by Sheetal Fasteners are manufactured to the highest standards to ensure that they meet the required performance in various applications. These nuts are made from Super Duplex Steel which is a combination of austenitic as well as ferritic stainless steel; the nuts possess high strength, excellent corrosion resistance, and high endurance. Our Super Duplex Steel nuts are perfect for use in chemical processing, marine, and oil and gas applications where the nuts will be exposed to harsh conditions.
Super Duplex Steel Nuts have a number of features such as very high tensile strength and high resistance to stress corrosion cracking, pitting and crevice corrosion. They also perform well under high temperatures and other adverse environmental conditions and have better resistance to chloride induced stress corrosion cracking. Also, Super Duplex Steel nuts have better strength to weight ratio than the conventional stainless steel, which makes it ideal for high pressure and corrosion resistance and at the same time lightweight and strong.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Super Duplex Steel nuts are used in many critical applications. In chemical processing they are able to handle the effects of aggressive chemicals and high pressures. In marine applications, they are immune to the effects of sea water thus providing long service life. In the oil and gas industry, they offer secure fastening where high stress is exerted. Also, Super Duplex Steel nuts are applied in power generation and construction sectors due to their high performance in harsh conditions.
At Sheetal Fasteners, we make sure that our Super Duplex Steel nuts are packed in a very special manner. Every nut is packed separately in protective materials to avoid any impact such as mechanical, chemical or microbial on the nuts during transportation. Our cartons are made of durable material and we provide customized packaging services for your products. Proper labeling and packing also help in identification and handling of the products, thus showing our seriousness in providing quality products in good condition.
Sheetal Fasteners is a leading manufacturer and supplier of high-quality fasteners in Dubai, UAE, with over 8 years of experience serving global industries.
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